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Linear predictive analysis for ultrasonic speech

Linear predictive analysis for ultrasonic speech

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Employing low-frequency ultrasonic waves to map vocal tract features is a novel research area that can lead to significant applications in speech rehabilitation for voice-loss patients, and in secure/unvoiced mobile telephony. An analytical formulation is presented to extend the extremely useful tool of linear predictive analysis from the one-dimensional audible speech domain to the three-dimensional ultrasonic speech space. The mathematical and physical analyses, supported by finite-element simulation results, prove the validity of the approach.

Inspec keywords: acoustic signal processing; finite element analysis; ultrasonic waves; speech processing; telephony

Other keywords: linear predictive analysis; finite-element simulation; speech rehabilitation; ultrasonic speech; one-dimensional audible speech domain; low-frequency ultrasonic wave; vocal tract feature; mobile telephony; voice-loss patient

Subjects: Speech processing techniques; Finite element analysis; Finite element analysis; Speech and audio signal processing; Telephony; Signal processing and detection

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Talking ultrasound
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